Pentbioctium (Pbo)
Pentbioctium is the systematic name of the theoretical ۵۲۸. element in the periodic table with a symbol of Pbo and atomic number of 528. Pentbioctium, also known as element 528, has پانصد و بیست و هشت protons in its nucleus, and پانصد و بیست و هشت electrons in its shells.